body {
    /*background-color: black;
    color: white;*/
    margin: 0 auto;
    font-family: sans-serif;
}

header {
    background-color: #236690;
    position: relative;
    padding: 10px;
    margin: 0 auto;
    text-align: center;
}

header nav li {
    display: inline;
    margin-right: 50px;
}

header nav a {
    text-decoration: none;
    color: white;
}

header nav a:hover {
    color: yellow;
}


/* My DIVs */
#page_title {
    margin: 0 auto;
    text-align: center;
}

#page_title p {
    font-size: 35px;
}

.content_table {
    margin: 0 auto;
    width: 550px;
    background-color: #e4ebf6;
    border-radius: 5px;
}

#ambria {
    width: 200px;
}




footer {
    float: bottom;
    height: 50px;
    background-color: #112037;
    color: #c8d8f1;
    font-size: 12px;
    text-align: center;
}